Outer-Space Crossword Puzzle: By Arjun

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Across
  1. 1. Largest planet in our solar system
  2. 3. A planet with rings (in the solar system)
  3. 5. A space explorer
  4. 6. Famous space agency in the US
  5. 8. Downward pulling force
  6. 11. A dwarf planet in our solar system (farthest away from the sun)
  7. 12. The study of space
  8. 14. Appears in the night sky when the sun is down
  9. 16. A group of stars forming a recognisable shape
Down
  1. 2. Sent into space by humans
  2. 4. Unidentified flying object
  3. 5. Life outside Earth
  4. 7. large rocks that travel through space
  5. 9. Used to view space from earth
  6. 10. Shines bright in the night sky
  7. 13. You can see it during the day; provides heat and light
  8. 15. The planet we live on